./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d3ded6f4470c26b608997f650ebe66ef1cf6f845 ................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:09:11,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:09:11,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:09:11,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:09:11,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:09:11,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:09:11,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:09:11,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:09:11,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:09:11,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:09:11,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:09:11,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:09:11,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:09:11,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:09:11,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:09:11,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:09:11,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:09:11,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:09:11,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:09:11,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:09:11,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:09:11,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:09:11,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:09:11,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:09:11,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:09:11,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:09:11,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:09:11,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:09:11,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:09:11,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:09:11,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:09:11,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:09:11,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:09:11,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:09:11,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:09:11,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:09:11,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:09:11,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:09:11,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:09:11,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:09:11,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:09:11,840 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-29 19:09:11,879 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:09:11,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:09:11,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:09:11,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:09:11,885 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:09:11,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:09:11,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:09:11,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:09:11,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:09:11,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:09:11,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:09:11,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:09:11,888 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 19:09:11,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:09:11,888 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:09:11,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:09:11,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:09:11,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:09:11,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:09:11,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:09:11,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:09:11,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:09:11,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:09:11,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:09:11,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:09:11,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:09:11,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:09:11,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:09:11,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ded6f4470c26b608997f650ebe66ef1cf6f845 [2020-11-29 19:09:12,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:09:12,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:09:12,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:09:12,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:09:12,243 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:09:12,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-29 19:09:12,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/data/48771f8e8/77e2443a426a469c982ec85be595df96/FLAG31fe291b1 [2020-11-29 19:09:12,779 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:09:12,780 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-29 19:09:12,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/data/48771f8e8/77e2443a426a469c982ec85be595df96/FLAG31fe291b1 [2020-11-29 19:09:13,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/data/48771f8e8/77e2443a426a469c982ec85be595df96 [2020-11-29 19:09:13,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:09:13,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:09:13,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:09:13,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:09:13,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:09:13,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57322ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13, skipping insertion in model container [2020-11-29 19:09:13,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:09:13,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:09:13,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:09:13,397 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:09:13,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:09:13,437 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:09:13,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13 WrapperNode [2020-11-29 19:09:13,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:09:13,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:09:13,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:09:13,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:09:13,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:09:13,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:09:13,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:09:13,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:09:13,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... [2020-11-29 19:09:13,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:09:13,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:09:13,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:09:13,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:09:13,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:09:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:09:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:09:13,596 INFO L130 BoogieDeclarations]: Found specification of procedure r1 [2020-11-29 19:09:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure r1 [2020-11-29 19:09:13,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:09:13,858 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 19:09:13,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:13 BoogieIcfgContainer [2020-11-29 19:09:13,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:09:13,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:09:13,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:09:13,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:09:13,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:09:13" (1/3) ... [2020-11-29 19:09:13,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d00fc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:09:13, skipping insertion in model container [2020-11-29 19:09:13,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:09:13" (2/3) ... [2020-11-29 19:09:13,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d00fc75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:09:13, skipping insertion in model container [2020-11-29 19:09:13,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:13" (3/3) ... [2020-11-29 19:09:13,884 INFO L111 eAbstractionObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-29 19:09:13,895 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:09:13,921 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-11-29 19:09:13,938 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-29 19:09:13,963 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:09:13,963 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:09:13,963 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:09:13,963 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:09:13,963 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:09:13,964 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:09:13,964 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:09:13,964 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:09:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-11-29 19:09:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 19:09:14,001 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:09:14,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 19:09:14,003 INFO L429 AbstractCegarLoop]: === Iteration 1 === [r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 19:09:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:09:14,026 INFO L82 PathProgramCache]: Analyzing trace with hash 920915409, now seen corresponding path program 1 times [2020-11-29 19:09:14,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:09:14,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556913747] [2020-11-29 19:09:14,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:09:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:09:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:09:14,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556913747] [2020-11-29 19:09:14,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:09:14,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:09:14,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516401288] [2020-11-29 19:09:14,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 19:09:14,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:09:14,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 19:09:14,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:09:14,264 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 6 states. [2020-11-29 19:09:14,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:09:14,440 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-11-29 19:09:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:09:14,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-11-29 19:09:14,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:09:14,455 INFO L225 Difference]: With dead ends: 31 [2020-11-29 19:09:14,456 INFO L226 Difference]: Without dead ends: 17 [2020-11-29 19:09:14,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-29 19:09:14,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-29 19:09:14,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-29 19:09:14,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-29 19:09:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-29 19:09:14,510 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 6 [2020-11-29 19:09:14,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:09:14,510 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-11-29 19:09:14,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 19:09:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-29 19:09:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 19:09:14,512 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:09:14,512 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:09:14,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:09:14,513 INFO L429 AbstractCegarLoop]: === Iteration 2 === [r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 19:09:14,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:09:14,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1516393339, now seen corresponding path program 1 times [2020-11-29 19:09:14,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:09:14,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126928253] [2020-11-29 19:09:14,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:09:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:09:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:09:14,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126928253] [2020-11-29 19:09:14,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:09:14,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 19:09:14,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956176569] [2020-11-29 19:09:14,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 19:09:14,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:09:14,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:09:14,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:09:14,595 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2020-11-29 19:09:14,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:09:14,699 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-11-29 19:09:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:09:14,701 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-11-29 19:09:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:09:14,702 INFO L225 Difference]: With dead ends: 31 [2020-11-29 19:09:14,702 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 19:09:14,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-29 19:09:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 19:09:14,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2020-11-29 19:09:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-29 19:09:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-29 19:09:14,709 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 7 [2020-11-29 19:09:14,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:09:14,711 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-29 19:09:14,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 19:09:14,711 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-29 19:09:14,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 19:09:14,712 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:09:14,712 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:09:14,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:09:14,714 INFO L429 AbstractCegarLoop]: === Iteration 3 === [r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 19:09:14,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:09:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash 236446803, now seen corresponding path program 1 times [2020-11-29 19:09:14,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:09:14,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894027286] [2020-11-29 19:09:14,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:09:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:09:14,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:09:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:09:14,745 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:09:14,763 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:09:14,765 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:09:14,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:09:14,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:09:14 BoogieIcfgContainer [2020-11-29 19:09:14,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:09:14,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:09:14,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:09:14,790 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:09:14,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:09:13" (3/4) ... [2020-11-29 19:09:14,793 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:09:14,824 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8a44cd9-060b-420c-a624-534b0de6c626/bin/uautomizer/witness.graphml [2020-11-29 19:09:14,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:09:14,832 INFO L168 Benchmark]: Toolchain (without parser) took 1642.67 ms. Allocated memory is still 107.0 MB. Free memory was 75.4 MB in the beginning and 70.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 3.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:14,834 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 81.8 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:09:14,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.86 ms. Allocated memory is still 107.0 MB. Free memory was 75.0 MB in the beginning and 84.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:14,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.82 ms. Allocated memory is still 107.0 MB. Free memory was 84.8 MB in the beginning and 83.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:09:14,837 INFO L168 Benchmark]: Boogie Preprocessor took 24.83 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 82.7 MB in the end (delta: 317.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:14,839 INFO L168 Benchmark]: RCFGBuilder took 365.07 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 71.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:14,841 INFO L168 Benchmark]: TraceAbstraction took 912.99 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 72.7 MB in the end (delta: -1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:09:14,842 INFO L168 Benchmark]: Witness Printer took 34.74 ms. Allocated memory is still 107.0 MB. Free memory was 72.7 MB in the beginning and 70.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:09:14,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 81.8 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.86 ms. Allocated memory is still 107.0 MB. Free memory was 75.0 MB in the beginning and 84.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.82 ms. Allocated memory is still 107.0 MB. Free memory was 84.8 MB in the beginning and 83.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.83 ms. Allocated memory is still 107.0 MB. Free memory was 83.0 MB in the beginning and 82.7 MB in the end (delta: 317.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 365.07 ms. Allocated memory is still 107.0 MB. Free memory was 82.1 MB in the beginning and 71.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 912.99 ms. Allocated memory is still 107.0 MB. Free memory was 71.0 MB in the beginning and 72.7 MB in the end (delta: -1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 34.74 ms. Allocated memory is still 107.0 MB. Free memory was 72.7 MB in the beginning and 70.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L26] int ls = __VERIFIER_nondet_int(); [L27] COND TRUE ls >= 0 [L22] CALL r1(ls,0) VAL [\old(a)=0, \old(ls)=2147483647] [L14] COND FALSE !(ls == 0) VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls-1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls+1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 61 SDslu, 50 SDs, 0 SdLazy, 96 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...